Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
they substantiate
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "they substantiate" is correct and usable in written English. You can use it when referring to the act of providing evidence or support for a claim or argument. Example: "The researchers found that their findings did not substantiate the initial hypothesis." Alternative expressions include "they support" and "they validate."
✓ Grammatically correct
News & Media
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
6 human-written examples
And companies that use third-party certifications will also have to make sure they substantiate the claims they make.
News & Media
Furthermore, they substantiate previous results reporting hippocampal BOLD increases during fixation.
Science
These studies warrant further investigation for the use of negatively charged drug and gene delivery reagents for passive tumor targeting, and they substantiate the use of polycation/PEG-polycation mixtures for facile product evaluation in order to elucidate design and formulation mandates for the clinical success of non-viral gene delivery formulations.
"They substantiate the government's story that it is fighting terrorists," explained one man.
News & Media
The authors propose a return to this "curve-shifting" approach to prevention that encourages everyone to improve their health behavior; they substantiate these arguments with examples from public health and cognitive psychology research, historical and current events, and personal anecdotes.
Furthermore, they substantiate the results of a recent underpowered study by Puthillath et al, (2009) in 16 elderly subjects with mCRC treated with biweekly bevacizumab capecitabine, in which a 25% ORR, a median PFS of 9.5 months and a median OS of 21 months were achieved.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
They substantiated their case with 48 forceful minutes against the Kings, who have the best record in the Western Conference.
News & Media
Inspectors received 37,150 complaints about conditions in nursing homes last year, and they substantiated 39percentt of them, the report said.
News & Media
Richard Sambrook, the director of news, responded to Mr Campbell's complaint without going through Mr Gilligan's notes to see whether they substantiated the allegation.
News & Media
City investigators recommended that the teacher, Jonathan Polayes, be fired in 2009, after they substantiated complaints that he had touched the breasts, buttocks and thighs of students at a Bronx high school, but they were overruled by an arbitrator who opted to suspend him without pay for a semester.
News & Media
Nor have they substantiated the assumption that assistance recipients are more likely to use drugs, which is often touted as the primary reason for pursuing such laws.
News & Media
Expert writing Tips
Best practice
When using "they substantiate", ensure that the 'they' clearly refers to a specific group or source providing evidence. This clarifies who is offering the substantiation.
Common error
Avoid using "they substantiate" without clearly defining who 'they' are. An ambiguous subject can weaken the impact of your statement. Be explicit with the subject to maintain clarity.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they substantiate" serves as a predicate in a sentence, indicating that a particular subject (they) is providing evidence or proof to support a claim or assertion. Ludwig AI suggests that the phrase follows standard grammatical rules.
Frequent in
News & Media
35%
Science
35%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "they substantiate" is a grammatically correct and useful expression for indicating that a group or source is providing evidence to support a claim. According to Ludwig, this phrase is most commonly used in news and scientific contexts. While several alternatives exist, such as "they confirm" or "they corroborate", the choice depends on the specific nuance you wish to convey. It's important to ensure that the subject 'they' is clearly defined to avoid ambiguity. While infrequent, using "they substantiate" effectively communicates the validation of claims through evidence.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they corroborate
Replaces 'substantiate' with 'corroborate', implying confirmation or support of a statement or theory.
they confirm
Uses 'confirm' instead of 'substantiate', indicating validation of something.
they validate
Replaces 'substantiate' with 'validate', suggesting authentication or proof of accuracy.
they verify
Uses 'verify' instead of 'substantiate', implying a check for truth or accuracy.
they prove
Substitutes 'substantiate' with 'prove', indicating establishing something as a fact.
they bear out
Replaces 'substantiate' with 'bear out', meaning to confirm the truth of something.
they justify
Uses 'justify' instead of 'substantiate', suggesting providing a reasonable basis for something.
they evidence
Replaces 'substantiate' with 'evidence', meaning to provide proof or evidence for something.
they attest to
Uses 'attest to' instead of 'substantiate', indicating to provide or serve as clear evidence of.
they authenticate
Replaces 'substantiate' with 'authenticate', suggesting proving that something is genuine.
FAQs
How can I use "they substantiate" in a sentence?
Use "they substantiate" when you want to indicate that a particular group or source provides evidence or support for a claim. For example, "The research findings "they substantiate" the initial hypothesis".
What's a good alternative to "they substantiate"?
Alternatives include "they corroborate", "they confirm", or "they validate" depending on the context and nuance you wish to convey.
Is it better to say "they substantiate" or "they support"?
While both are correct, "they substantiate" implies providing concrete evidence or proof, whereas "they support" suggests a more general agreement or backing. The better choice depends on whether you want to emphasize evidence or general approval.
What's the difference between "they substantiate" and "they confirm"?
"They substantiate" implies providing evidence to prove something, while "they confirm" suggests verifying something that was already suspected or predicted. "They confirm" a prior statement, while "they substantiate" a new claim.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested